(√6-1/3√3-1/2√8)x(-2√6)

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(√6-1/3√3-1/2√8)x(-2√6)(√6-1/3√3-1/2√8)x(-2√6)(√6-1/3√3-1/2√8)x(-2√6)直接相乘.(√6-1/3√3-1/2√8)x(-2√6)=-1

(√6-1/3√3-1/2√8)x(-2√6)
(√6-1/3√3-1/2√8)x(-2√6)

(√6-1/3√3-1/2√8)x(-2√6)
直接相乘.
(√6-1/3√3-1/2√8)x(-2√6)
=-12+2√2+4√2
=6√2-12

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